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  1. #1

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    Default My Setup...needs more

    What would be a good pair of wall mounted SIDE surround speakers to make this a 7.1 setup (Budget for sides $400 pair.)

    Also my rear ls/fx speakers has problems...It seems the cone became unglued to what looks like a little tube in the middle of it. They sounded static-like when it got too loud. I glued it back on and sounds a lot better but not completely. Do I need to get new rears?

    Current Setup:

    AVR: Denon 1913
    Front: Polk LS90 Standing
    Center: Polk CS350LS
    Sub: Polk PSW300
    Rear Surrounds: Polk LS/FX
    Last edited by ScottyDugs; 03-14-2013 at 04:51 PM.

  2. #2

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    Either get another pair of LS/FX's (that's what I would do)

    ...or get a pair of matching bookshelves (I think the RT3's, RT5's, or RT7's would work), use those as your rears, and use your current LS/FX's as sides.


    As far as the loose dust-cover, take out the driver and get the model #. Contact Polk CS to get a replacement. If they don't have one, look on ebay.


    Good luck!
    2-Channel:

    Source 1: PC
    Source 2: Rega Apollo CDP
    USB > SPDIF Converter: Stello U3
    DAC: Audio GD NFB-7
    Preamp: Audio Research LS-15
    Power Amp: BAT VK-500
    Speakers: Magnepan 3.7's

    HT:

    Source 1: HTPC
    Source 2: Oppo 103
    Pre/Pro: Marantz av8003
    Power Amp: Rotel RMB-1095
    Fronts: LSiM-705's
    Center: LSiM-704c
    Surrounds: LSiM-702's
    Subs: Dual SVS PC12-NSD's

  3. #3

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    Default

    Thanks...also, why should I use the LS/FX's on the sides?

  4. #4

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    I think I have just realized the way it sounds is not because of the glue coming off...I just noticed that when I push the diaphragm up and down it seems to makes a grinding noise as if its sliding against the basket rim. With all my other speakers it makes no grinding noise...anybody know how this could happen?

  5. #5

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    The tube that the voice coil is wrapped around was rubbing against the magnet making the noise...anybody heard of this? Sucks because now I cant find anyone with a mw4851

  6. #6

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    Default

    anybody heard of this?
    Ummmm.....yeah. That's a common driver failure.
    'Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."

  7. #7

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    Quote Originally Posted by ScottyDugs View Post
    The tube that the voice coil is wrapped around was rubbing against the magnet making the noise...anybody heard of this? Sucks because now I cant find anyone with a mw4851
    Yep you need a new driver. I take it you already contacted Polk CS?

    Keep checking ebay, one will come up eventually.
    2-Channel:

    Source 1: PC
    Source 2: Rega Apollo CDP
    USB > SPDIF Converter: Stello U3
    DAC: Audio GD NFB-7
    Preamp: Audio Research LS-15
    Power Amp: BAT VK-500
    Speakers: Magnepan 3.7's

    HT:

    Source 1: HTPC
    Source 2: Oppo 103
    Pre/Pro: Marantz av8003
    Power Amp: Rotel RMB-1095
    Fronts: LSiM-705's
    Center: LSiM-704c
    Surrounds: LSiM-702's
    Subs: Dual SVS PC12-NSD's

  8. #8

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    Yea I did. They said nope....Anybody have any other ideas for added surrounds for my setup? I cant find RT7's. Would it sound off if I went with a diff series, say FXiA6?

  9. #9

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    Quote Originally Posted by ScottyDugs View Post
    Yea I did. They said nope....Anybody have any other ideas for added surrounds for my setup? I cant find RT7's. Would it sound off if I went with a diff series, say FXiA6?
    Why RT7's? Why not another pair of LS/FX's? What about RT5's or RT3's?

    Yes, the FXiA6's will sound different, but you may not care.


    Ask Polk what other speakers they used the MW4851 in.. you might be able to find a beat-up whatever on the cheap and cannibalize it for the driver.

    Edit: I'm thinking the only other speaker that used that driver was the CS350LS center channel speaker which used (4) of them. You'd have (3) backups! I have a CS350 if you're interested.
    Last edited by falconcry72; 03-15-2013 at 02:33 PM.
    2-Channel:

    Source 1: PC
    Source 2: Rega Apollo CDP
    USB > SPDIF Converter: Stello U3
    DAC: Audio GD NFB-7
    Preamp: Audio Research LS-15
    Power Amp: BAT VK-500
    Speakers: Magnepan 3.7's

    HT:

    Source 1: HTPC
    Source 2: Oppo 103
    Pre/Pro: Marantz av8003
    Power Amp: Rotel RMB-1095
    Fronts: LSiM-705's
    Center: LSiM-704c
    Surrounds: LSiM-702's
    Subs: Dual SVS PC12-NSD's

  10. #10

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    Last edited by falconcry72; 03-15-2013 at 02:44 PM.
    2-Channel:

    Source 1: PC
    Source 2: Rega Apollo CDP
    USB > SPDIF Converter: Stello U3
    DAC: Audio GD NFB-7
    Preamp: Audio Research LS-15
    Power Amp: BAT VK-500
    Speakers: Magnepan 3.7's

    HT:

    Source 1: HTPC
    Source 2: Oppo 103
    Pre/Pro: Marantz av8003
    Power Amp: Rotel RMB-1095
    Fronts: LSiM-705's
    Center: LSiM-704c
    Surrounds: LSiM-702's
    Subs: Dual SVS PC12-NSD's

  11. #11

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    Well...you actually said RT7's earlier so I was searching for them and figured they are better than 3 and 5's.
    How are the RT/FX's? Good as LS/FX?
    I have that same center in my setup...How much for yours?

  12. #12

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    Quote Originally Posted by ScottyDugs View Post
    Well...you actually said RT7's earlier so I was searching for them and figured they are better than 3 and 5's.
    How are the RT/FX's? Good as LS/FX?
    I have that same center in my setup...How much for yours?
    Ideally, you'd fix your current pair of LS/FX's, and then find another pair of the same LS/FX's.

    I've never heard the RT/FX's, but I'd assume they're great, and they'll match your setup better than the RTiAFX's.

    The RT bookshelves (3, 5, or 7) will perform very similarly as surrounds, so you might as well go with the cheapest and smallest.. the RT7's are pretty big speakers.


    My preference would be as follows:

    1. (2) pairs of LS/FX's

    2. (2) pairs of RT/FX's

    3. (1) pair LS/FX's, (1) pair RT/FX's

    4. (1) pair LS/FX's, (1) pair RT bookshelves

    5. (1) pair RT/FX's, (1) pair RT bookshelves

    6. (2) pairs RT bookshelves

    None of those are actually bad choices at all.


    I can get you my CS350LS for 150 shipped.
    2-Channel:

    Source 1: PC
    Source 2: Rega Apollo CDP
    USB > SPDIF Converter: Stello U3
    DAC: Audio GD NFB-7
    Preamp: Audio Research LS-15
    Power Amp: BAT VK-500
    Speakers: Magnepan 3.7's

    HT:

    Source 1: HTPC
    Source 2: Oppo 103
    Pre/Pro: Marantz av8003
    Power Amp: Rotel RMB-1095
    Fronts: LSiM-705's
    Center: LSiM-704c
    Surrounds: LSiM-702's
    Subs: Dual SVS PC12-NSD's

  13. #13

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    As of right now it seems #2 and #3 are my best options given that i can only find RT/fx's. Hesitant on the C350...why would you say #2 is better than #3?
    Last edited by ScottyDugs; 03-15-2013 at 04:04 PM.

  14. #14

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    I put a bid on those $50 Rt lx so if I get them I might just take your C350 so dont get rid of it. Its prob a safer bet to go with #3 and have backups along with fixing the ls fx.

  15. #15

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    Quote Originally Posted by ScottyDugs View Post
    ...why would you say #2 is better than #3?
    Cuz I'm OCD and like stuff to match.

    Either one will be sweet.
    2-Channel:

    Source 1: PC
    Source 2: Rega Apollo CDP
    USB > SPDIF Converter: Stello U3
    DAC: Audio GD NFB-7
    Preamp: Audio Research LS-15
    Power Amp: BAT VK-500
    Speakers: Magnepan 3.7's

    HT:

    Source 1: HTPC
    Source 2: Oppo 103
    Pre/Pro: Marantz av8003
    Power Amp: Rotel RMB-1095
    Fronts: LSiM-705's
    Center: LSiM-704c
    Surrounds: LSiM-702's
    Subs: Dual SVS PC12-NSD's

  16. #16

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    Haha me too

  17. #17

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    I read that you should always have matching tweeters though...is that true?

  18. #18

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    I will take the cs350

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